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There are at least four main models of the 1530/C2N Datassette: The original modified Sanyo M1540A cassette drive, built into the earliest models of PET in 1977. This was a standard shoebox tape recorder with a corner of the case removed and modified electronics; a Commodore PCB was installed internally in place of the Sanyo electronics.
Sanyo Micro-Pack 35 tape recorder showing cassette being inserted. The Sanyo Micro Pack 35 was a portable magnetic audio tape recording device, developed by Sanyo in 1964, that employed a special tape cartridge format with tape reels atop each other. [1] The unit was rebadged and sold as the Channel Master 6546 [2] and the Westinghouse H29R1. [3]
The Recorder has mono sound output from a built in speaker on the top of the unit. A convenient volume control is accessible on the left hand side. The Recorder has two data ports that use a conventional 3.5mm mono phone connector. The port on the left hand side is labeled "ear" and "load". The port on the right is labeled as "Mic" and "Save".
Large or L-size cassettes (125.1 x 78 x 14.6 mm) [26] are close in size to small MII cassettes and are accepted by most standalone DV tape recorders and are used in many shoulder-mount camcorders. The L-size cassette can be used in both Sony and Panasonic equipment; nevertheless, they are often called DVCAM tapes .
Threaded tape of an open Compact Cassette in the tape drive. The capstan is a rotating spindle used to move recording tape through the mechanism of a tape recorder.The tape is threaded between the capstan and one or more rubber-covered wheels, called pinch rollers, which press against the capstan, thus providing friction necessary for the capstan to pull the tape.
If the recorder is on, the call is recorded on magnetic tape, and can be played back on compatible devices. Cassette tape recorders are used for small-scale use. Professional reel-to-reel recorders taking large tape spools and running at low tape speeds such as 15 ⁄ 16 inch per second (2.38 cm/s) were used for large-scale routine recording.
MII is a professional analog recording videocassette format developed by Panasonic in 1986 in competition with Sony's Betacam SP format. It was technically similar to Betacam SP, using metal-formulated tape loaded in the cassette, and utilizing component video recording.
The capstan tape speed is 3.7 inches per second, which provided a long record time of up to five hours on large reels. The units were 100% solid state. The Ampex 2-inch helical VTRs were popular, as they were priced much less than the 2-inch quadruplex videotape recorders used in the broadcast television industry at the time. [1]